Sketch the following transformations :
(1) `underset("Propylbenzene")(C_(6)H_(5)CH_(2)CH_(2)CH_(3))tounderset(1-("p-Clorophenyl"))(p-CIC_(6)H_(4)CHhArrCHCH_(3))`
(ii) `underset("Cinnamic acid")(C_(6)H_(5)CHhArrCHCOOH)tounderset("Styrene")(C_(6)H_(5)CHhArrCH_(2))`
(iii) `C_(6)H_(6)toC_(6)H_(5)CHhArrCH_(2)`
(iv) `p-CH_(3)-C_(6)H_(6)COOHtoC_(6)H_(5)-CH_(3)`
(v) `C_(6)H_(5)CH=CHto"Sym"-C_(6)H_(3)(CH_(3))_(3)`
(vi) `C_(6)H_(5)CH_(5)toC_(6)H_(6)`
(vii) `CH_(3)-C=CHto"Sym"-C_(6)H_(3)(CH_(3))_(6)`
(viii) `C_(6)H_(6)to1,2,3-C_(6)H_(3)(CH_(3))_(3)`
(ix) `C_(6)H_(6)to(C_(6)H_(5))_(2)C(CH_(3))_(2)`
(x) `C_(6)H_(6)to(C_(6)H_(2))_(2)C(CH_(3))_(2)`

Explanation

(ix) p-position is blocked by bulkt tert-butyl group or by sulphjonation.